Răspuns :
a). 100 - ( 8 × 9 ) = 100 - 72 = 28
b). 8 × 3 : 6 = 24 : 6 = 4
c). 7 × 2 + a = 20
14 + a = 20
a = 20 - 14
a = 6
Răspuns:
a) 100 - (8x9)=
100-72=28
b) (8x3) :6=
24 :6=4
c) 20-(7x2)=
20-14=6
a). 100 - ( 8 × 9 ) = 100 - 72 = 28
b). 8 × 3 : 6 = 24 : 6 = 4
c). 7 × 2 + a = 20
14 + a = 20
a = 20 - 14
a = 6
Răspuns:
a) 100 - (8x9)=
100-72=28
b) (8x3) :6=
24 :6=4
c) 20-(7x2)=
20-14=6